1220411046 has 16 divisors (see below), whose sum is σ = 2442474864. Its totient is φ = 406528224.

The previous prime is 1220410999. The next prime is 1220411057. The reversal of 1220411046 is 6401140221.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59161 + ... + 77076.

It is an arithmetic number, because the mean of its divisors is an integer number (152654679).

Almost surely, 2^1220411046 is an apocalyptic number.

1220411046 is an abundant number, since it is smaller than the sum of its proper divisors (1222063818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220411046 is a wasteful number, since it uses less digits than its factorization.

1220411046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137735.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1220411046 is about 34934.3820039800. The cubic root of 1220411046 is about 1068.6497207373.

Adding to 1220411046 its reverse (6401140221), we get a palindrome (7621551267).

The spelling of 1220411046 in words is "one billion, two hundred twenty million, four hundred eleven thousand, forty-six".